uncommented input/external from workspace blocks when finding blocks to stop at.  This allows current code to find input and external variables without needing 2 sets of special cases 
uncommented input/external from workspace blocks when finding blocks to stop at.  This allows current code to find input and external variables without needing 2 sets of special cases 

MPC-Berkeley/BLOM,MPC-Berkeley/BLOM,MPC-Berkeley/BLOM